Which of the following tuning strategies are suitable for Nginx physical server as Web Server? (Multiple choice)

 Which of the following tuning strategies are suitable for Nginx physical server as Web Server? (Multiple choice)
A .  Increase the buffer size to avoid buffer overflow caused by a large number of new connections and a connection cannot be established.
B .  reduce TIMEWAIT connections, to avoid excessive TIME WAIT connected network resources lead to new connections to resource constraints.
C .  Increase the range of available ports to avoid a large number of connections occupying ports, new connections continue to search for available ports, resulting in performance degradation.
D .  Configure the maximum number of open files to 1024 to limit Nginx resource overhead.

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Answer: ABC